As luck would have it, when MRB went to the Sydney Exhibition in 2019, SDS Models let us operate two of their new production models.
Here is a video comparison between the SDS Models current production and the last Austrains production.
Here is a video of them operating on MRB.
here is SDS models links FYI.
For NR30 and NR52
For the rest of the NRs check out this link: